The Stud,lock Pin Fastener, cataloged under National Stock Number 5325-01-679-8228, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-679-8228 |
| Primary Part Number | TPS-187-12 |
| Item Name | Stud,lock Pin Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Fastener Style | LOCK PIN |
| Stud Body Diameter | 0.187 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pinhole Diameter | 0.04 INCHES NOMINAL IN |
| Stud Mounting Hole Diameter | 0.205 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TPS-187-12 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5325-01-679-8228 is a Stud,lock Pin Fastener, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-679-8228 has 1 manufacturer part number on file: TPS-187-12 (Penn Engineering & Manufacturing Corp).
Key specifications for TPS-187-12: Fastener Style: LOCK PIN; Stud Body Diameter: 0.187 INCHES NOMINAL IN; Special Features: PIN DIA. CODE 187; LENGTH CODE 12; Surface Treatment: PASSIVATE OVERALL. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.